Dakine 420 - Coco Coir Lite: Aeration FormulaDakine 420 Coco Coir Lite is a soilless grow medium that maintains an ideal air to water ratio for indoor, greenhouse or outdoor growing. Made with premium buffered, high pith coconut coir fiber, Coco Coir Lite is double washed to remove excess salts, and precisely blended to maintain optimal water to air ratios. Our special, highly researched Mad Scientist formulation makes competitors products look like they were made in high school Chemistry 101